US4671688A - Shielded keyboard - Google Patents
Shielded keyboard Download PDFInfo
- Publication number
- US4671688A US4671688A US06/782,825 US78282585A US4671688A US 4671688 A US4671688 A US 4671688A US 78282585 A US78282585 A US 78282585A US 4671688 A US4671688 A US 4671688A
- Authority
- US
- United States
- Prior art keywords
- housing
- keyboard
- switch means
- shielding sheet
- array
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J5/00—Devices or arrangements for controlling character selection
- B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
- B41J5/10—Arrangements of keyboards, e.g. key button disposition
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0202—Constructional details or processes of manufacture of the input device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/068—Properties of the membrane
- H01H2209/07—Properties of the membrane metallic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/008—Casings metallic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/004—High frequency adaptation or shielding
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/782,825 US4671688A (en) | 1985-10-02 | 1985-10-02 | Shielded keyboard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/782,825 US4671688A (en) | 1985-10-02 | 1985-10-02 | Shielded keyboard |
Publications (1)
Publication Number | Publication Date |
---|---|
US4671688A true US4671688A (en) | 1987-06-09 |
Family
ID=25127284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/782,825 Expired - Fee Related US4671688A (en) | 1985-10-02 | 1985-10-02 | Shielded keyboard |
Country Status (1)
Country | Link |
---|---|
US (1) | US4671688A (en) |
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4786120A (en) * | 1987-10-14 | 1988-11-22 | Casica Corporation | Keyboard enclosure assembly |
FR2621209A1 (en) * | 1987-09-25 | 1989-03-31 | Thomson Csf | Screened flat keyboard and electronic equipment equipped with at least one such keyboard |
EP0310233A2 (en) * | 1987-08-12 | 1989-04-05 | International Control Automation Finance S.A. | Combustion control systems |
EP0354340A2 (en) * | 1988-08-12 | 1990-02-14 | Digital-Kienzle Computersysteme GmbH & Co. KG | Keyboard |
US4931794A (en) * | 1987-01-14 | 1990-06-05 | Telefunken Electronic Gmbh | Optoelectronic keyboard |
US4948281A (en) * | 1988-12-17 | 1990-08-14 | International Business Machines Corporation | Keyboard protected against vandalism and spill |
EP0404155A2 (en) * | 1989-06-23 | 1990-12-27 | Kabushiki Kaisha Toshiba | Portable electronic apparatus with a keyboard |
WO1991017557A1 (en) * | 1990-04-30 | 1991-11-14 | Marquardt Gmbh | Keyboard, in particular a keyboard for data-processing equipment |
EP0460415A2 (en) * | 1990-05-07 | 1991-12-11 | Kabushiki Kaisha Toshiba | Portable electronic apparatus |
US5096317A (en) * | 1991-03-12 | 1992-03-17 | Phillippe Kerin L | Computer key cover apparatus |
US5153589A (en) * | 1988-06-29 | 1992-10-06 | Ncr Corporation | Data processing terminal with removable keyboard module |
US5251096A (en) * | 1990-05-07 | 1993-10-05 | Kabushiki Kaisha Toshiba | Portable electronic apparatus |
US5335141A (en) * | 1989-06-23 | 1994-08-02 | Kabushiki Kaisha Toshiba | Portable electronic apparatus having a removable keyboard secured to a housing by screws protruding through the bottom wall of the housing |
WO1994019880A1 (en) * | 1993-02-24 | 1994-09-01 | Rosemount Inc. | Transducer with inner conductive cover for emi shielding |
US5377169A (en) * | 1994-02-18 | 1994-12-27 | Reeger; David R. | Electronic event display apparatus |
US5383643A (en) * | 1993-03-25 | 1995-01-24 | C-2, Inc. | Keyboard cover and copy holder |
US5413294A (en) * | 1993-12-23 | 1995-05-09 | At&T Corp. | Platform positioned above a keyboard for use with a computer mouse |
US5803744A (en) * | 1997-06-17 | 1998-09-08 | Yen; Jung-Chuan | Computer typing learning device |
US5934813A (en) * | 1997-08-30 | 1999-08-10 | Nyako; Frank | Keyboard protector having peaked configuration |
US5986228A (en) * | 1998-02-13 | 1999-11-16 | Matsushita Electric Industrial Co., Ltd. | Movable contact unit for panel switch and panel switch using the same |
US6377246B1 (en) * | 1998-01-16 | 2002-04-23 | Lucent Technologies Inc. | Article comprising a computer-style keyboard |
US6398171B1 (en) * | 2000-04-19 | 2002-06-04 | First International Computer, Inc. | Wrist rest cover of portable computer |
US6489576B2 (en) * | 2000-09-26 | 2002-12-03 | Alps Electric Co., Ltd. | Transparent keyboard device |
US20040238710A1 (en) * | 2003-05-30 | 2004-12-02 | Hsu Jerry Chi Run | Apparatus to permit use of a computer pointing device within the footprint of a keyboard |
US20060196759A1 (en) * | 2005-03-02 | 2006-09-07 | Fuji Photo Film Co., Ltd. | Operating member |
US20090178907A1 (en) * | 2008-01-14 | 2009-07-16 | Chi Mei Communication Systems, Inc. | Keypad assembly for electronic device |
US7578630B2 (en) * | 2003-09-08 | 2009-08-25 | Ricoh Company, Ltd. | Control panel and apparatus using the same |
US20100300853A1 (en) * | 2009-05-28 | 2010-12-02 | Yi-Zen Yeh | Ultra-thin, electronically conductive slice for button use |
US20120024200A1 (en) * | 2009-06-08 | 2012-02-02 | Lap Solutions Llc. | Multifunction Computer Table and Carrier |
RU2595969C1 (en) * | 2015-04-29 | 2016-08-27 | Федеральное государственное унитарное предприятие "Научно-производственный центр "Дельта" (ФГУП "НПЦ "Дельта") | Shielded keyboard |
WO2018041006A1 (en) * | 2016-08-30 | 2018-03-08 | 南通万德科技有限公司 | Composite material and preparation method therefor |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3627927A (en) * | 1969-11-24 | 1971-12-14 | Sanders Associates Inc | Monolithic keyboard and method for making same |
US3693775A (en) * | 1970-06-30 | 1972-09-26 | Ibm | Actuator for elastic diaphragm switch keyboard |
US3964594A (en) * | 1972-12-01 | 1976-06-22 | Ing. C. Olivetti & C., S.P.A. | Keyboard of elastic material for office machines |
GB1443174A (en) * | 1973-04-06 | 1976-07-21 | Alphameric Keyboards Ltd | Keyboards for electronic circuits |
US4119839A (en) * | 1976-11-30 | 1978-10-10 | W & G Instruments, Inc. | Keyboard mask for general-purpose calculator |
DE3042579A1 (en) * | 1980-11-12 | 1982-05-19 | Börre Börresen Industrieschilder GmbH, 7633 Seelbach | Key-pad switch control unit - has definite shaped switch top mouldings for precise tactile identification, and incorporates colour film and insulating background |
EP0074315A2 (en) * | 1981-09-01 | 1983-03-16 | Telemecanique | Hermetically sealed, modular, tactile keyboard |
-
1985
- 1985-10-02 US US06/782,825 patent/US4671688A/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3627927A (en) * | 1969-11-24 | 1971-12-14 | Sanders Associates Inc | Monolithic keyboard and method for making same |
US3693775A (en) * | 1970-06-30 | 1972-09-26 | Ibm | Actuator for elastic diaphragm switch keyboard |
US3964594A (en) * | 1972-12-01 | 1976-06-22 | Ing. C. Olivetti & C., S.P.A. | Keyboard of elastic material for office machines |
GB1443174A (en) * | 1973-04-06 | 1976-07-21 | Alphameric Keyboards Ltd | Keyboards for electronic circuits |
US4119839A (en) * | 1976-11-30 | 1978-10-10 | W & G Instruments, Inc. | Keyboard mask for general-purpose calculator |
DE3042579A1 (en) * | 1980-11-12 | 1982-05-19 | Börre Börresen Industrieschilder GmbH, 7633 Seelbach | Key-pad switch control unit - has definite shaped switch top mouldings for precise tactile identification, and incorporates colour film and insulating background |
EP0074315A2 (en) * | 1981-09-01 | 1983-03-16 | Telemecanique | Hermetically sealed, modular, tactile keyboard |
Non-Patent Citations (4)
Title |
---|
IBM Tech. Disc. Bulletin, "Keyboard", Dicks, vol. 12, No. 7, Dec. 1979, p. 982. |
IBM Tech. Disc. Bulletin, "Provision of Movement and Sound in Capacitance Switch and Diaphragm Switch Keybords", Mitchell et al., vol. 24, No. 5, Oct. 1981, pp. 2422-2423. |
IBM Tech. Disc. Bulletin, Keyboard , Dicks, vol. 12, No. 7, Dec. 1979, p. 982. * |
IBM Tech. Disc. Bulletin, Provision of Movement and Sound in Capacitance Switch and Diaphragm Switch Keybords , Mitchell et al., vol. 24, No. 5, Oct. 1981, pp. 2422 2423. * |
Cited By (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4931794A (en) * | 1987-01-14 | 1990-06-05 | Telefunken Electronic Gmbh | Optoelectronic keyboard |
EP0310233A2 (en) * | 1987-08-12 | 1989-04-05 | International Control Automation Finance S.A. | Combustion control systems |
EP0559241A3 (en) * | 1987-08-12 | 1994-08-24 | Int Control Automation Finance | Housings for control systems |
EP0559241A2 (en) * | 1987-08-12 | 1993-09-08 | International Control Automation Finance S.A. | Housings for control systems |
EP0310233A3 (en) * | 1987-08-12 | 1991-04-24 | International Control Automation Finance S.A. | Combustion control systems |
FR2621209A1 (en) * | 1987-09-25 | 1989-03-31 | Thomson Csf | Screened flat keyboard and electronic equipment equipped with at least one such keyboard |
US4786120A (en) * | 1987-10-14 | 1988-11-22 | Casica Corporation | Keyboard enclosure assembly |
US5153589A (en) * | 1988-06-29 | 1992-10-06 | Ncr Corporation | Data processing terminal with removable keyboard module |
EP0354340A3 (en) * | 1988-08-12 | 1991-05-15 | Digital-Kienzle Computersysteme GmbH & Co. KG | Keyboard |
EP0354340A2 (en) * | 1988-08-12 | 1990-02-14 | Digital-Kienzle Computersysteme GmbH & Co. KG | Keyboard |
US4948281A (en) * | 1988-12-17 | 1990-08-14 | International Business Machines Corporation | Keyboard protected against vandalism and spill |
EP0404155A3 (en) * | 1989-06-23 | 1991-08-28 | Kabushiki Kaisha Toshiba | Portable electronic apparatus with a keyboard |
US5483418A (en) * | 1989-06-23 | 1996-01-09 | Kabushiki Kaisha Toshiba | Portable electronic apparatus having a keyboard with a shielding plate attached to a cover thereof |
US5335141A (en) * | 1989-06-23 | 1994-08-02 | Kabushiki Kaisha Toshiba | Portable electronic apparatus having a removable keyboard secured to a housing by screws protruding through the bottom wall of the housing |
EP0404155A2 (en) * | 1989-06-23 | 1990-12-27 | Kabushiki Kaisha Toshiba | Portable electronic apparatus with a keyboard |
WO1991017557A1 (en) * | 1990-04-30 | 1991-11-14 | Marquardt Gmbh | Keyboard, in particular a keyboard for data-processing equipment |
US5359166A (en) * | 1990-04-30 | 1994-10-25 | Marquardt Gmbh | Keyboard, especially for electronic data-processing apparatuses |
US5355278A (en) * | 1990-05-07 | 1994-10-11 | Kabushiki Kaisha Toshiba | Portable electronic apparatus having an electro-magnetic shield supporting a keyboard |
EP0460415A2 (en) * | 1990-05-07 | 1991-12-11 | Kabushiki Kaisha Toshiba | Portable electronic apparatus |
US5255154A (en) * | 1990-05-07 | 1993-10-19 | Kabushiki Kaisha Toshiba | Portable electronic apparatus with a latch mechanism including an interlock |
US5251096A (en) * | 1990-05-07 | 1993-10-05 | Kabushiki Kaisha Toshiba | Portable electronic apparatus |
US5331508A (en) * | 1990-05-07 | 1994-07-19 | Kabushiki Kaisha Toshiba | Portable electronic apparatus having a removable keyboard unit |
EP0460415A3 (en) * | 1990-05-07 | 1992-07-29 | Kabushiki Kaisha Toshiba | Portable electronic apparatus |
US5096317A (en) * | 1991-03-12 | 1992-03-17 | Phillippe Kerin L | Computer key cover apparatus |
WO1994019880A1 (en) * | 1993-02-24 | 1994-09-01 | Rosemount Inc. | Transducer with inner conductive cover for emi shielding |
CN1042586C (en) * | 1993-02-24 | 1999-03-17 | 罗斯蒙德公司 | Transducer with inner conductive cover for EMI shielding |
US5383643A (en) * | 1993-03-25 | 1995-01-24 | C-2, Inc. | Keyboard cover and copy holder |
US5413294A (en) * | 1993-12-23 | 1995-05-09 | At&T Corp. | Platform positioned above a keyboard for use with a computer mouse |
US5377169A (en) * | 1994-02-18 | 1994-12-27 | Reeger; David R. | Electronic event display apparatus |
US5803744A (en) * | 1997-06-17 | 1998-09-08 | Yen; Jung-Chuan | Computer typing learning device |
US5934813A (en) * | 1997-08-30 | 1999-08-10 | Nyako; Frank | Keyboard protector having peaked configuration |
US6377246B1 (en) * | 1998-01-16 | 2002-04-23 | Lucent Technologies Inc. | Article comprising a computer-style keyboard |
US5986228A (en) * | 1998-02-13 | 1999-11-16 | Matsushita Electric Industrial Co., Ltd. | Movable contact unit for panel switch and panel switch using the same |
US6398171B1 (en) * | 2000-04-19 | 2002-06-04 | First International Computer, Inc. | Wrist rest cover of portable computer |
US6489576B2 (en) * | 2000-09-26 | 2002-12-03 | Alps Electric Co., Ltd. | Transparent keyboard device |
US20040238710A1 (en) * | 2003-05-30 | 2004-12-02 | Hsu Jerry Chi Run | Apparatus to permit use of a computer pointing device within the footprint of a keyboard |
US7578630B2 (en) * | 2003-09-08 | 2009-08-25 | Ricoh Company, Ltd. | Control panel and apparatus using the same |
US20060196759A1 (en) * | 2005-03-02 | 2006-09-07 | Fuji Photo Film Co., Ltd. | Operating member |
US7138588B2 (en) * | 2005-03-02 | 2006-11-21 | Fuji Photo Film Co., Ltd. | Operating member |
US20090178907A1 (en) * | 2008-01-14 | 2009-07-16 | Chi Mei Communication Systems, Inc. | Keypad assembly for electronic device |
US7679015B2 (en) * | 2008-01-14 | 2010-03-16 | Chi Mei Communication Systems, Inc. | Keypad assembly for electronic device |
US20100300853A1 (en) * | 2009-05-28 | 2010-12-02 | Yi-Zen Yeh | Ultra-thin, electronically conductive slice for button use |
US8237071B2 (en) * | 2009-05-28 | 2012-08-07 | Yi-Zen Yeh | Ultra-thin, electronically conductive slice for button use |
US20120024200A1 (en) * | 2009-06-08 | 2012-02-02 | Lap Solutions Llc. | Multifunction Computer Table and Carrier |
RU2595969C1 (en) * | 2015-04-29 | 2016-08-27 | Федеральное государственное унитарное предприятие "Научно-производственный центр "Дельта" (ФГУП "НПЦ "Дельта") | Shielded keyboard |
WO2018041006A1 (en) * | 2016-08-30 | 2018-03-08 | 南通万德科技有限公司 | Composite material and preparation method therefor |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: HONEYWELL INC., HONEYWELL PLAZA MINNEAPOLIS, MN 5 Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:BRASHEARS, DAVID W.;REEL/FRAME:004465/0609 Effective date: 19850923 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
AS | Assignment |
Owner name: ALLIANT TECHSYSTEMS INC., MINNESOTA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:HONEYWELL INC. A CORP. OF DELAWARE;REEL/FRAME:005845/0384 Effective date: 19900924 |
|
FEPP | Fee payment procedure |
Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 19990609 |
|
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |